Finding the Fourth Proportional to 67,323.17, 100,953.71 and 19,921.31

Step by Step Solution

1. Step 1: Write the proportion equation
   67,323.17 : 100,953.71 = 19,921.31 : x
2. Step 2: Convert to fraction form
   67,323.17/100,953.71 = 19,921.31/x
3. Step 3: Cross multiply
   67,323.17x = 100,953.71 × 19,921.31
4. Step 4: Simplify right side
   67,323.17x = 2,011,130,152.56
5. Step 5: Solve for x
   x = 2,011,130,152.56/67,323.17
6. Step 6: Final answer
   x = 29,872.78